This is a lesson about the evidence for life on other planets. Learners will play a game to examine processes in cellular metabolism and explore both direct and indirect evidence for fingerprints of life. Includes teacher notes, learning objectives,...(View More) and assessment of prior knowledge and preconceptions. This is Lesson 2 in Exploring Deep-Subsurface Life. Earth Analogues for Possible Life on Mars: Lessons and Activities.(View Less)